Joel Stephen Davamani
DevOps Engineer
Braga
Summary
DevOps Engineer with 4+ years of hands on experience designing and supporting secure cloud native infrastructures across AWS . Skilled in automation, CI/CD, and container orchestration, with proven expertise in FinTech environments and regulatory frameworks including PCI DSS and ISO 27001.
Overview
4
4
years of professional experience
1
1
Certification
3
3
Languages
Work History
DevOps Engineer
Eurotux Informática
07.2025 - Current
- Delivered cloud automation solutions for multiple clients across AWS and Azure production environments, leveraging Terraform and Ansible to streamline provisioning and configuration.
- Managed CI/CD repositories with GitLab, ArgoCD and Bitbucket, applying effective branching and merging strategies to support production deployments.
- Built and maintained containerized environments using Docker(ECS) and Kubernetes(EKS) improving scalability and reliability for business-critical services.
- Implemented cloud cost optimization strategies, reducing operational expenses without impacting performance.
- Configured and maintained monitoring and alerting systems with Grafana, Icinga, and Prometheus, enhancing visibility, troubleshooting and incident response.
- Developed automation scripts in Python and Bash to reduce manual effort and minimize human error.
- Ticket based operations, ensuring timely resolution of infrastructure, automation, and production deployment requests with a solution-oriented approach.
- Implemented alerting and incident response workflows to maintain 24/7 service reliability with high awareness around sensitive data.
- Supported multi production environment infrastructure for diverse client workloads, ensuring security, compliance, and high availability
DevOps Engineer
TransUnion Credit Bureau - Intelenet Global Services
Chennai, India
10.2023 - 03.2025
- Developed automated AWS and Azure infrastructure with Jenkins and Terraform to support high-scalability IaaS and PaaS requirements.
- Built CI/CD pipelines with Bitbucket and Jenkins for large-scale, containerized deployments in production environments.
- Handled large-scale production environments on AWS and Azure, automating server deployments and patching using canary deployment strategies for minimal downtime and higher reliability.
- Ensured infrastructure compliance with security best practices, with experience supporting workloads in financial and regulated environments.
- Developed automation scripts using Python and Bash to streamline operational workflows and troubleshooting tasks.
- Developed and maintained serverless applications using AWS Lambda as part of SaaS workloads.
- Automated high-performance, scalable infrastructure using Ansible and Terraform with strong attention to detail.
- Managed Docker, Kubernetes clusters for optimized, secure, stable production operations.
- Implemented security and compliance controls for PCI-DSS and ISO 27001 standards across cloud infrastructure, ensuring adherence to regulatory requirements in a financial services environment.
- Implemented Grafana, Prometheus, and Splunk for real-time monitoring and alerting of infrastructure performance.
- Provided 24/7 on-call production support for sensitive, mission-critical systems
DevOps Engineer
Paytab
Chennai, India
05.2021 - 10.2024
- Architected and managed AWS infrastructure for a FinTech startup ensuring scalability, security, and cost efficiency through FinOps practices.
- Administered AWS Cloud services in production, optimizing performance and reliability.
- Designed and implemented CI/CD pipelines with Jenkins and Bitbucket, integrating canary deployment strategies in collaboration with development and product teams.
- Established and enforced infrastructure security practices, achieving PCI DSS compliance and ensuring high awareness of sensitive data.
- Delivered proactive production support, enabling seamless operations and high system availability with a solution-oriented approach.
- Automated infrastructure provisioning and configuration management using Ansible and Terraform.
- Administered Linux systems for optimal performance, security, and stability.
- Built and maintained Docker clusters orchestrated with Kubernetes for efficient containerized application management.
- Developed automation scripts in Python and Shell to streamline operational tasks and automate repetitive activities.
- Deployed monitoring solutions using Grafana and Prometheus to enhance observability and support troubleshooting/analysis.
- Participated in 24/7 on-call rotations for mission-critical systems, ensuring rapid incident resolution.
Education
Master of Science - Computer Applications Development
Jain University
Bangalore 04.2001 -
Bachelor of Science - Computer Applications Development
Hindustan University
Chennai 04.2001 -
Skills
AWS Cloud
Certification
AWS Certified Solutions Architect – Associate
Timeline
DevOps Engineer
Eurotux Informática
07.2025 - Current
AWS Certified Solutions Architect – Associate
04-2025
DevOps Engineer
TransUnion Credit Bureau - Intelenet Global Services
10.2023 - 03.2025
DevOps Engineer
Paytab
05.2021 - 10.2024
Master of Science - Computer Applications Development
Jain University
04.2001 -
Bachelor of Science - Computer Applications Development
Hindustan University
04.2001 -
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